背景:
目前,我的"floating.pie“由plotrix包使用:
plot(1:10,ty="n")
library(plotrix)
floating.pie(3, 8,c(.8, .2), 200 , 1, col=c("maroon","white"), lwd=2)看起来是这样的:

问题:,我想知道是否有一个论点或方法,使浮动派总是向下看(总是使"V“或"/\"形状)?
例如,,上面的floating.pie 变成如下:

发布于 2017-03-01 17:16:44
在这种情况下,您可以获得startpos的确切值,如
startpos = (3*pi/2) + #Start at 3*pi/2 (facing generally downward)
(0.2*2*pi/2) #Add half of the angle assigned for smaller value
#Then plot
plot(1:10,ty="n")
floating.pie(3, 8,c(.8, .2), 200 , 1, col=c("maroon","white"), lwd=2, startpos = startpos )https://stackoverflow.com/questions/42499875
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